April 7 Bell Work

Solve the following exponential equation:
 $5^{-3x}=125$  

•  $x=-1$  

•  $x=-4$  

•  $x=-3$  

•  $x=1$  

Solve for x. 

 $3^{\left(x-7\right)}-3=24$  

• 3

• 8

• 10

• No solution

Mathematical Equivalence

ON

To solve an exponential equation, the (a)   must be the same!

Rewrite 64 as a power of 2:

• $2^2$

• $2^6$

• $4^3$

• $2^8$

Tags

CCSS.6.EE.A.1

Name the base in the power below: 
 $8^{-2}$  

• Base is -2

• Base is 0

• Base is 1

• Base is 8

• Base is 1/8

Tags

CCSS.6.EE.A.1

Rewrite the power below in fraction form:
 $7^{-3}$  

•  $\frac{1}{7^3}$  

• 7

•  $\frac{7^3}{1}$  

•  $\frac{1}{7}$  

Tags

CCSS.8.EE.A.1

 $7^{6x-2}=7^{3x+31}$  

Solve the exponential equation:

• x = 3

• x = 11

• x = 7

• x = -3

 $5^{x-24}=5^{4x}$  

Solve the exponential equation:

• x = 3

• x = -8

• x = -6
  

• x = -5

 $3^{x+9}=3^{25}$  

Solve the exponential equation:

• x = 16

• x = 3

• x = 31

• x = 5